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China XGN-12 Solid-Insulated Fully Enclosed Ring Main Switchgear - Reliable Suppliers & Factory Solutions
🏗️Structural Features
The XGN-12 switchgear cabinet is constructed with high-quality cold-rolled steel sheets, treated with electrostatic powder coating for excellent corrosion resistance and long service life. The cabinet is divided into three independent compartments:
🔌 Busbar Compartment
Safely enclosed to ensure stable power transmission
⚡ Circuit Breaker / Load Switch Compartment
Equipped with vacuum circuit breakers or load break switches
🔧 Cable Compartment
Designed for easy cable connection and maintenance
All compartments are separated by grounded metal partitions to prevent fault propagation and improve operator safety.
⭐Key Functional Advantages
🛡️
High Safety Level
Fully metal-clad structure with interlocking mechanisms prevents misoperation
⚡
Reliable Switching Performance
Uses vacuum circuit breakers with high breaking capacity
📐
Compact Design
Space-saving solution suitable for indoor installations
🔧
Easy Operation & Maintenance
Clear mimic diagrams, indicator lights, and front-access design
🌍
Strong Environmental Adaptability
Suitable for harsh industrial environments
📊Detailed Technical Parameters & Rated Electrical Parameters
| Parameter | Value |
|---|---|
| Rated Voltage | 12kV |
| Rated Insulation Voltage | 12kV / 42kV (power frequency / lightning impulse) |
| Rated Frequency | 50Hz / 60Hz |
| Rated Current | 630A, 1250A, 1600A (optional) |
| Rated Short-Time Withstand Current | 20kA / 4s | 25kA / 4s | 31.5kA / 4s |
| Rated Peak Withstand Current | 50kA / 63kA / 80kA |
🔩Circuit Breaker Parameters
| Parameter | Value |
|---|---|
| Type | Vacuum Circuit Breaker (VCB) |
| Breaking Capacity | Up to 31.5kA |
| Mechanical Life | ≥10,000 operations |
| Electrical Life | ≥50 operations at rated short-circuit current |
🔒Protection & Control
| Item | Details |
|---|---|
| Protection Functions | Overcurrent, short circuit, earth fault, overload |
| Control Voltage | DC 110V / DC 220V / AC 220V (optional) |
| Metering | Ammeter, voltmeter, energy meter (digital or analog) |
| Indication | On/off status, fault indication, warning lights |
🌡️Environmental Conditions
| Condition | Specification |
|---|---|
| Installation Type | Indoor |
| Ambient Temperature | Maximum: +40°C | Minimum: −10°C (customizable to −25°C) |
| Relative Humidity | Daily average ≤95% | Monthly average ≤90% |
| Altitude | ≤1000m (custom design available for higher altitudes) |
🏭Mechanical & Installation Parameters
| Parameter | Value |
|---|---|
| Cabinet Structure | Metal-enclosed, floor-mounted |
| Ingress Protection | IP4X (cabinet) | IP2X (internal compartments) |
| Cable Entry | Bottom or top entry (customizable) |
| Busbar Material | Copper or aluminum (optional) |
🏢Typical Applications
- Medium voltage substations
- Industrial power distribution systems
- Commercial buildings and shopping centers
- Power plants and renewable energy projects
- Urban and rural distribution networks
✅Conclusion
The XGN-12 high voltage switchgear is a mature, cost-effective, and internationally recognized solution for 12kV power distribution systems. With its robust construction, high safety standards, flexible configuration, and excellent electrical performance, it meets the demands of modern power networks and industrial users. It is an ideal choice for customers seeking reliable medium voltage switchgear for long-term operation.
🖼️Detail Pictures
❓Frequently Asked Questions
What is the rated voltage of the XGN-12 switchgear cabinet?
The XGN-12 switchgear cabinet has a rated voltage of 12kV, with a rated insulation voltage of 12kV (power frequency) and 42kV (lightning impulse), making it suitable for medium voltage power distribution systems.
What type of circuit breaker is used in the XGN-12 switchgear?
The XGN-12 uses a Vacuum Circuit Breaker (VCB) with a breaking capacity of up to 31.5kA, a mechanical life of ≥10,000 operations, and an electrical life of ≥50 operations at rated short-circuit current.
Is the XGN-12 switchgear suitable for outdoor installation?
No, the XGN-12 is designed for indoor installation only. It is a floor-mounted, metal-enclosed cabinet with an ingress protection rating of IP4X for the cabinet body and IP2X for internal compartments.
What protection functions does the XGN-12 switchgear provide?
The XGN-12 provides comprehensive protection including overcurrent protection, short circuit protection, earth fault protection, and overload protection. It also features on/off status indication, fault indication, and warning lights.
Can the XGN-12 switchgear be customized for special environmental conditions?
Yes. The standard model supports ambient temperatures from −10°C to +40°C and altitudes up to 1000m. Custom designs are available for lower temperatures (down to −25°C) and higher altitudes upon request.
What are the typical applications for the XGN-12 switchgear cabinet?
The XGN-12 is widely used in medium voltage substations, industrial power distribution systems, commercial buildings, power plants, renewable energy projects, and urban or rural distribution networks.